906910422205 has 4 divisors (see below), whose sum is σ = 1088292506652. Its totient is φ = 725528337760.

The previous prime is 906910422199. The next prime is 906910422233. The reversal of 906910422205 is 502224019609.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 682558521241 + 224351900964 = 826171^2 + 473658^2 .

It is not a de Polignac number, because 906910422205 - 2²¹ = 906908325053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90691042216 + ... + 90691042225.

It is an arithmetic number, because the mean of its divisors is an integer number (272073126663).

Almost surely, 2^906910422205 is an apocalyptic number.

It is an amenable number.

906910422205 is a deficient number, since it is larger than the sum of its proper divisors (181382084447).

906910422205 is a wasteful number, since it uses less digits than its factorization.

906910422205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181382084446.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 906910422205 in words is "nine hundred six billion, nine hundred ten million, four hundred twenty-two thousand, two hundred five".